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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Dave Jones <davej@redhat.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: rcu_prempt stalls / lockup
Date: Fri, 4 Apr 2014 10:06:39 -0700	[thread overview]
Message-ID: <20140404170639.GO4284@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140403223700.GA18353@redhat.com>

On Thu, Apr 03, 2014 at 06:37:00PM -0400, Dave Jones wrote:
> On Thu, Apr 03, 2014 at 05:44:30PM -0400, Dave Jones wrote:
>  > On Thu, Apr 03, 2014 at 01:46:56PM -0700, Paul E. McKenney wrote:
>  >  > 	git merge anti-fixes
>  >  > 
>  >  > Then bisect through these reverts.
>  >  > 
>  >  > I am assuming, perhaps naively, that changes under Documentation and
>  >  > to torture testing should not be affecting you.
>  >  > 
>  >  > Does this make sense?
>  > 
>  > I tried reverting every one of those and could still hit it, which
>  > seems to indicate the bug is elsewhere, and rcu is just a victim of it.
>  > I'm going to start trying to revert the lockdep changes, given this seems
>  > to happen after that has warned..
> 
> And that was also without any success.
> Tomorrow I'll try a bisect on just arch/x86.

I cannot think of any better debugging strategy at the moment.

							Thanx, Paul


      reply	other threads:[~2014-04-04 17:06 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-31 23:02 Dave Jones
2014-03-31 23:22 ` Paul E. McKenney
2014-03-31 23:35   ` Dave Jones
2014-04-01  0:48     ` Paul E. McKenney
2014-04-01 15:08       ` Dave Jones
2014-04-01 15:30         ` Paul E. McKenney
2014-04-01 17:22           ` Dave Jones
2014-04-01 17:55             ` Paul E. McKenney
2014-04-01 18:04               ` Dave Jones
2014-04-01 18:32                 ` Paul E. McKenney
2014-04-01 22:16                   ` Dave Jones
2014-04-01 23:18                     ` Paul E. McKenney
2014-04-01 23:31                       ` Dave Jones
2014-04-01 23:57                         ` Paul E. McKenney
2014-04-02  0:07                           ` Dave Jones
2014-04-02 16:20                   ` Paul E. McKenney
2014-04-02 16:23                     ` Dave Jones
2014-04-02 22:48                     ` Dave Jones
2014-04-03 20:01                       ` Dave Jones
2014-04-03 20:46                         ` Paul E. McKenney
2014-04-03 21:44                           ` Dave Jones
2014-04-03 22:37                             ` Dave Jones
2014-04-04 17:06                               ` Paul E. McKenney [this message]

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